Surname Хисаши (Hisashi 
, Хисаши 
) , globally, is quite a rare family name. The surname Хисаши is habitual in Japan, where it is a rare surname, Singapore, and Hungary, where it is a very rare surname. In absolute terms, it is commonest in Japan, China, and Indonesia. Likewise, Хисаши is the forename as well as the last name.